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Korea Telecom is the latest service provider to make a shot in the emerging network functions virtualization (NFV) battle, employing a mix of Alcatel-Lucent and its Nuage Networks subsidiary's software defined networking (SDN) platforms.

LAS VEGAS--Set-top box manufacturers have the ability to make multiple services available through a single consumer premises unit, but when it comes to the approaching 4K storm, they "ought to be worried," according to Benoit Fouchard, ATEME's chief strategy officer. Alternatives to STBs are being developed to meet the 4K demand, particularly by smart TV manufacturers, and a new 4K channel launching in Korea on Thursday bypasses the set-top box for a 4K-ready TV.

South Korean startup AirPlug is gaining traction for its multi-network channel bonding technology, having won a deal with KT Media Hub that is aimed at reducing data traffic generated by mobile TV viewing.